Finding the Fourth Proportional to 417,716.71, 576,449.52 and 226,730.05
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Solution
The fourth proportional to 417,716.71, 576,449.52 and 226,730.05 is: 312,887.72
Step by Step Solution
- Step 1: Write the proportion equation
417,716.71 : 576,449.52 = 226,730.05 : x - Step 2: Convert to fraction form
417,716.71/576,449.52 = 226,730.05/x - Step 3: Cross multiply
417,716.71x = 576,449.52 × 226,730.05 - Step 4: Simplify right side
417,716.71x = 130,698,428,492.08 - Step 5: Solve for x
x = 130,698,428,492.08/417,716.71 - Step 6: Final answer
x = 312,887.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.